package com.sky.controller.user;

import com.sky.result.Result;
import com.sky.service.DishService;
import com.sky.vo.DishVO;
import io.swagger.annotations.Api;
import io.swagger.annotations.ApiOperation;
import lombok.extern.slf4j.Slf4j;
import org.springframework.beans.factory.annotation.Autowired;
import org.springframework.data.redis.core.RedisTemplate;
import org.springframework.web.bind.annotation.GetMapping;
import org.springframework.web.bind.annotation.RequestMapping;
import org.springframework.web.bind.annotation.RestController;

import java.util.List;

@RestController("userDishController")
@Slf4j
@Api(tags = "C端-菜品浏览接口")
@RequestMapping("/user/dish")
public class  DishController {

    @Autowired
    private DishService dishService;

    @Autowired
    private RedisTemplate redisTemplate;

    /**
     * 根据分类Id查询菜品
     * @param categoryId
     * @return
     */
    @ApiOperation("根据分类Id查询菜品")
    @GetMapping("/list")
    public Result select(Long categoryId){
        String key = "dish_" + categoryId;
        List<DishVO> list = (List<DishVO>) redisTemplate.opsForValue().get(key);

        if (list != null && list.size() > 0){
            log.info("使用redis缓存:dish_{}",categoryId);
            return Result.success(list);
        }
         list = dishService.selectById(categoryId);
        log.info("存入redis");
        redisTemplate.opsForValue().set(key,list);
        return Result.success(list);
    }
}
